HP EliteDesk 800 G1 Maintenance & Service Manual page 155

4.
Locate, press, and hold the CMOS button in for five seconds.
NOTE: Make sure you have disconnected the AC power cord from the wall outlet. The CMOS
button will not clear CMOS if the power cord is connected.
Figure 11-1 CMOS button
NOTE:
For assistance locating the CMOS button and other system board components, see the
Illustrated Parts & Service Map (IPSM).
5.
Replace the computer cover or rear cover.
6.
Reconnect the external devices.
7.
Plug in the computer and turn on power.
NOTE: You will receive POST error messages after clearing CMOS and rebooting advising you
that configuration changes have occurred. Use Computer Setup to reset any special system setups
along with the date and time.
For instructions on Computer Setup, see Computer Setup (F10) Utility on page 64.
Clearing and resetting the CMOS
147